mirror of
https://github.com/rust-lang/cargo
synced 2024-10-12 02:32:20 +00:00
127fdfeb89
This commit starts to lay the groundwork for #6660 where Cargo will invoke rustc in a "pipelined" fashion. The goal here is to execute one command to produce both an `*.rmeta` file as well as an `*.rlib` file for candidate compilations. In that case if another rlib depends on that compilation, then it can start as soon as the `*.rmeta` is ready and not have to wait for the `*.rlib` compilation. Initially attempted in #6864 with a pretty invasive refactoring this iteration is much more lightweight and fits much more cleanly into Cargo's backend. The approach taken here is to update the `DependencyQueue` structure to carry a piece of data on each dependency edge. This edge information represents the artifact that one node requires from another, and then we a node has no outgoing edges it's ready to build. A dependency on a metadata file is modeled as just that, a dependency on just the metadata and not the full build itself. Most of cargo's backend doesn't really need to know about this edge information so it's basically just calculated as we insert nodes into the `DependencyQueue`. Once that's all in place it's just a few pieces here and there to identify compilations that *can* be pipelined and then they're wired up to depend on the rmeta file instead of the rlib file.
411 lines
9.3 KiB
Rust
411 lines
9.3 KiB
Rust
use std::env;
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use crate::support::project;
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#[test]
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fn profile_overrides() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "test"
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version = "0.0.0"
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authors = []
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[profile.dev]
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opt-level = 1
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debug = false
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rpath = true
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("build -v")
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.with_stderr(
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"\
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[COMPILING] test v0.0.0 ([CWD])
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[RUNNING] `rustc --crate-name test src/lib.rs --color never --crate-type lib \
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--emit=[..]link \
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-C opt-level=1 \
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-C debug-assertions=on \
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-C metadata=[..] \
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-C rpath \
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--out-dir [..] \
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-L dependency=[CWD]/target/debug/deps`
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[FINISHED] dev [optimized] target(s) in [..]
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",
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)
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.run();
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}
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#[test]
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fn opt_level_override_0() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "test"
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version = "0.0.0"
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authors = []
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[profile.dev]
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opt-level = 0
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("build -v")
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.with_stderr(
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"\
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[COMPILING] test v0.0.0 ([CWD])
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[RUNNING] `rustc --crate-name test src/lib.rs --color never --crate-type lib \
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--emit=[..]link \
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-C debuginfo=2 \
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-C metadata=[..] \
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--out-dir [..] \
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-L dependency=[CWD]/target/debug/deps`
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[FINISHED] [..] target(s) in [..]
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",
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)
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.run();
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}
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#[test]
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fn debug_override_1() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "test"
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version = "0.0.0"
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authors = []
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[profile.dev]
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debug = 1
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("build -v")
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.with_stderr(
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"\
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[COMPILING] test v0.0.0 ([CWD])
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[RUNNING] `rustc --crate-name test src/lib.rs --color never --crate-type lib \
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--emit=[..]link \
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-C debuginfo=1 \
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-C metadata=[..] \
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--out-dir [..] \
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-L dependency=[CWD]/target/debug/deps`
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[FINISHED] [..] target(s) in [..]
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",
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)
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.run();
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}
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fn check_opt_level_override(profile_level: &str, rustc_level: &str) {
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let p = project()
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.file(
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"Cargo.toml",
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&format!(
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r#"
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[package]
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name = "test"
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version = "0.0.0"
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authors = []
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[profile.dev]
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opt-level = {level}
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"#,
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level = profile_level
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),
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("build -v")
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.with_stderr(&format!(
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"\
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[COMPILING] test v0.0.0 ([CWD])
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[RUNNING] `rustc --crate-name test src/lib.rs --color never --crate-type lib \
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--emit=[..]link \
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-C opt-level={level} \
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-C debuginfo=2 \
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-C debug-assertions=on \
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-C metadata=[..] \
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--out-dir [..] \
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-L dependency=[CWD]/target/debug/deps`
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[FINISHED] [..] target(s) in [..]
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",
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level = rustc_level
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))
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.run();
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}
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#[test]
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fn opt_level_overrides() {
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for &(profile_level, rustc_level) in &[
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("1", "1"),
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("2", "2"),
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("3", "3"),
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("\"s\"", "s"),
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("\"z\"", "z"),
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] {
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check_opt_level_override(profile_level, rustc_level)
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}
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}
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#[test]
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fn top_level_overrides_deps() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "test"
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version = "0.0.0"
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authors = []
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[profile.release]
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opt-level = 1
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debug = true
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[dependencies.foo]
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path = "foo"
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"#,
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)
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.file("src/lib.rs", "")
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.file(
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"foo/Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.0"
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authors = []
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[profile.release]
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opt-level = 0
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debug = false
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[lib]
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name = "foo"
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crate_type = ["dylib", "rlib"]
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"#,
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)
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.file("foo/src/lib.rs", "")
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.build();
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p.cargo("build -v --release")
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.with_stderr(&format!(
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"\
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[COMPILING] foo v0.0.0 ([CWD]/foo)
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[RUNNING] `rustc --crate-name foo foo/src/lib.rs --color never \
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--crate-type dylib --crate-type rlib \
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--emit=[..]link \
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-C prefer-dynamic \
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-C opt-level=1 \
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-C debuginfo=2 \
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-C metadata=[..] \
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--out-dir [CWD]/target/release/deps \
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-L dependency=[CWD]/target/release/deps`
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[COMPILING] test v0.0.0 ([CWD])
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[RUNNING] `rustc --crate-name test src/lib.rs --color never --crate-type lib \
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--emit=[..]link \
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-C opt-level=1 \
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-C debuginfo=2 \
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-C metadata=[..] \
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--out-dir [..] \
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-L dependency=[CWD]/target/release/deps \
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--extern foo=[CWD]/target/release/deps/\
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{prefix}foo[..]{suffix} \
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--extern foo=[CWD]/target/release/deps/libfoo.rlib`
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[FINISHED] release [optimized + debuginfo] target(s) in [..]
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",
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prefix = env::consts::DLL_PREFIX,
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suffix = env::consts::DLL_SUFFIX
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))
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.run();
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}
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#[test]
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fn profile_in_non_root_manifest_triggers_a_warning() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[project]
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name = "foo"
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version = "0.1.0"
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authors = []
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[workspace]
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members = ["bar"]
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[profile.dev]
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debug = false
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file(
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"bar/Cargo.toml",
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r#"
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[project]
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name = "bar"
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version = "0.1.0"
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authors = []
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workspace = ".."
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[profile.dev]
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opt-level = 1
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"#,
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)
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.file("bar/src/main.rs", "fn main() {}")
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.build();
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p.cargo("build -v")
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.cwd("bar")
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.with_stderr(
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"\
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[WARNING] profiles for the non root package will be ignored, specify profiles at the workspace root:
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package: [..]
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workspace: [..]
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[COMPILING] bar v0.1.0 ([..])
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[RUNNING] `rustc [..]`
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[FINISHED] dev [unoptimized] target(s) in [..]",
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)
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.run();
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}
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#[test]
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fn profile_in_virtual_manifest_works() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[workspace]
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members = ["bar"]
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[profile.dev]
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opt-level = 1
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debug = false
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file(
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"bar/Cargo.toml",
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r#"
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[project]
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name = "bar"
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version = "0.1.0"
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authors = []
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workspace = ".."
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"#,
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)
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.file("bar/src/main.rs", "fn main() {}")
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.build();
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p.cargo("build -v")
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.cwd("bar")
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.with_stderr(
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"\
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[COMPILING] bar v0.1.0 ([..])
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[RUNNING] `rustc [..]`
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[FINISHED] dev [optimized] target(s) in [..]",
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)
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.run();
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}
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#[test]
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fn profile_panic_test_bench() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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[profile.test]
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panic = "abort"
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[profile.bench]
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panic = "abort"
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("build")
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.with_stderr_contains(
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"\
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[WARNING] `panic` setting is ignored for `test` profile
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[WARNING] `panic` setting is ignored for `bench` profile
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",
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)
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.run();
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}
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#[test]
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fn profile_doc_deprecated() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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[profile.doc]
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opt-level = 0
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("build")
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.with_stderr_contains("[WARNING] profile `doc` is deprecated and has no effect")
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.run();
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}
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#[test]
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fn panic_unwind_does_not_build_twice() {
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// Check for a bug where `lib` was built twice, once with panic set and
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// once without. Since "unwind" is the default, they are the same and
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// should only be built once.
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[profile.dev]
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panic = "unwind"
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"#,
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)
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.file("src/lib.rs", "")
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.file("src/main.rs", "fn main() {}")
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.file("tests/t1.rs", "")
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.build();
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p.cargo("test -v --tests --no-run")
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.with_stderr_unordered(
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"\
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[COMPILING] foo [..]
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[RUNNING] `rustc --crate-name foo src/lib.rs [..]--crate-type lib [..]
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[RUNNING] `rustc --crate-name foo src/lib.rs [..] --test [..]
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[RUNNING] `rustc --crate-name foo src/main.rs [..]--crate-type bin [..]
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[RUNNING] `rustc --crate-name foo src/main.rs [..] --test [..]
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[RUNNING] `rustc --crate-name t1 tests/t1.rs [..]
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[FINISHED] [..]
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",
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)
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.run();
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}
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